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Gray/Portland, ME Local Forecast Office

14NM NE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 5 to 10 kt. A slight chance of showers after 5pm.   Seas 1 ft or less.

      High: 46 °F

      S 10kt
      < 1ft

    • Tonight

      Tonight:S wind around 10 kt becoming W after midnight. Winds could gust as high as 20 kt. Showers likely, mainly before 10pm.   Seas 1 ft or less.

      Low: 40 °F

      S 10kt
      < 1ft

    • Saturday

      Saturday:W wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. A slight chance of showers after 5pm.   Seas 1 ft or less.

      High: 45 °F

      W 10kt⇓
      < 1ft

    • Saturday Night

      Saturday Night:E wind 5 to 8 kt increasing to 7 to 10 kt after midnight. Rain before 10pm, then rain and snow between 10pm and 11pm, then rain after 11pm.   Seas 1 ft or less.

      Low: 36 °F

      ⇑E 10kt
      < 1ft

    • Sunday

      Sunday:NE wind around 10 kt becoming WNW in the afternoon. Rain likely before 11am, then rain and snow likely between 11am and noon, then a chance of rain after noon.   Seas 1 ft or less.

      High: 41 °F

      N 10kt
      < 1ft

    • Sunday Night

      Sunday Night:W wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain before 9pm.   Seas 1 ft or less.

      Low: 28 °F

      W 15kt
      < 1ft

    • Monday

      Monday:W wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 1 ft or less.

      High: 37 °F

      W 15kt
      < 1ft

    • Monday Night

      Monday Night:WSW wind around 10 kt. Mostly cloudy. Seas 1 ft or less.

      Low: 30 °F

      WSW 10kt
      < 1ft

    • Tuesday

      Tuesday:WSW wind around 10 kt. Mostly sunny. Seas 1 ft or less.

      High: 42 °F

      WSW 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:16 am EST Jan 9, 2026
Forecast Valid: 9am EST Jan 9, 2026-6pm EST Jan 15, 2026

View Nearby Observations

Detailed Forecast


Today
S wind 5 to 10 kt. A slight chance of showers after 5pm. Seas 1 ft or less.
Tonight
S wind around 10 kt becoming W after midnight. Winds could gust as high as 20 kt. Showers likely, mainly before 10pm. Seas 1 ft or less.
Saturday
W wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. A slight chance of showers after 5pm. Seas 1 ft or less.
Saturday Night
E wind 5 to 8 kt increasing to 7 to 10 kt after midnight. Rain before 10pm, then rain and snow between 10pm and 11pm, then rain after 11pm. Seas 1 ft or less.
Sunday
NE wind around 10 kt becoming WNW in the afternoon. Rain likely before 11am, then rain and snow likely between 11am and noon, then a chance of rain after noon. Seas 1 ft or less.
Sunday Night
W wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain before 9pm. Seas 1 ft or less.
Monday
W wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 1 ft or less.
Monday Night
WSW wind around 10 kt. Mostly cloudy. Seas 1 ft or less.
Tuesday
WSW wind around 10 kt. Mostly sunny. Seas 1 ft or less.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 43.25°N 70.58°W
Last Update: 6:16 am EST Jan 9, 2026
Forecast Valid: 9am EST Jan 9, 2026-6pm EST Jan 15, 2026
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